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Hardware-in-the-Loop Demonstration/ Workshop

Learn about Hardware-in-the-Loop (HITL) capabilities, modifying default files, simulation elements, and important simulation files navigation in this informative workshop presented by Robert De Roche. Discover how to run HITL scenarios and practice modifying default simulations.

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Hardware-in-the-Loop Demonstration/ Workshop

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  1. Hardware-in-the-Loop Demonstration/ Workshop Presented by Robert De Roche Slides based up a presentation prepared by the Texas Transportation Institute

  2. Purpose of Workshop • Demonstrate HITL capabilities • Show default files • T-Intersection • 4-leg • Diamond • Step through modifying default files • Modifying volume • Modifying phasing • Modifying detectors • Modifying geometry • Special Cases

  3. Elements of HITL Simulation Software Controller Controller Hardware Interface Detect Vehicl Device or e Detector Detector actuations actuations CID Sign al Phase Phase indications indications

  4. CID Interface Device • Allows controller to communicate with simulation software • Three interface devices • Eagle TS-2 • Naztec TS-2 • NIATT TS-1 • Two files • “ .exe” file • “ .ini” file

  5. Simulation Files • TSIS CORSIM files • “ .trf” files  actual simulation files • “ .sdi” files  maps approaches with phases IMPORTANT .trf and .sdi files NEED to have same file name!!! Example: “Example_diamond.trf” must have corresponding “Example_diamond.sdi” file

  6. Look at files • HITL CID .ini file • TSIS CORSIM .sdi file • TSIS CORSIM .trf file

  7. Running HITL Scenario

  8. Sequence of Programs • Step 1. Start CID Interface Program • EagleTs2Interface.exe • NaztecTs2Interface.exe • Step 2. Open Snooper • Step 3. Start TSIS • Real-Time CORSIM • TRAFVU (after equilibrium reached)

  9. Step 1. Running CID Interface Program • “Start” • “All Programs” • “Hardware-in- the-Loop” Folder • Appropriate CID Interface Icon

  10. Green Light means CID communicating with Controller If you click on “Status” Step 1. Running CID Interface Program (cont.)

  11. Step 2. Running Snooper • “Start” • “All Programs” • “Hardware-in-the-Loop” Folder • “Snooper” Icon

  12. Step 2. Running Snooper (cont.)

  13. Step 3. Running Simulation • “Start” • “All Programs” • “TSIS 5.1” Folder • “TSIS 5.1” Icon

  14. Step 3. Running Simulation • “File” • “Open” • Navigate to folder and click on “.trf” file

  15. Step 3. Running Simulation (Cont.) Click on icon to run Real-Time TSIS

  16. Click on icon to start real-time simulation Step 3. Running Simulation (Cont.)

  17. Step 3. Running Simulation (Cont.) Once simulation finishes initialization period: Click on icon to run animation

  18. To see vehicles To see signals To see markings To see detectors To zoom in Step 3. Running Simulation (Cont.) Click on :

  19. Click on icon to start real-time animation Step 3. Running Simulation (Cont.)

  20. Hands-On Practice • Run Example_4leg_Multiloop.trf

  21. Default intersections

  22. Default TSIS files • T-intersection • 4-leg intersection • Diamond • Wide Diamond • Tight Diamond

  23. Default T-Intersection

  24. Default 4-leg Intersection

  25. Default 4-Leg Intersection (Cont.)

  26. Default Wide Diamond Interchange

  27. Default Wide Diamond Interchange (Cont.)

  28. Default Tight Diamond Interchange

  29. Default Tight Diamond Interchange (Cont.)

  30. Modifying Default Simulations

  31. Modifying Defaults • Change Volume Conditions • Change Phasing Conditions • Modify Detectors • Change Intersection Geometry IMPORTANT Always rename “Example” files (i.e., do not save over “Example” files)

  32. Modifying Volumes

  33. Volume-Related Cards • Total Approach Flow Rate – Card Type 50 • % Trucks – Card Type 50 • Turning Movement Percentages – Card Type 21

  34. Effects Links Entering Network Effects Links Entering Network Changing Total Approach Flow Rates 8004 7 8001 1 2 3 4 5 8002 6 8003

  35. % Trucks Entering Flow Rate (vph) Downstream Node Upstream Node Flow Rates -- Card Type 50 8004 7 200 0 0 100 50 8002 5 700 10 0 100 50 8001 1 700 10 0 100 50 8003 6 200 0 0 100 50 Card Type

  36. Example: 8004 7 200 0 0 100 50 8002 51200 10 0 100 50 8001 1 700 10 0 100 50 8003 6 200 0 0 100 50 Changes Total Approach Flow Rate on WB Entering Link to 1200 vph Changing Total Approach Flow Rates 8004 7 200 0 0 100 50 8002 5 700 10 0 100 50 8001 1 700 10 0 100 50 8003 6 200 0 0 100 50 Entering Flow Rate (vph)

  37. Example: 8004 7 200 0 0 100 50 8002 5 700 25 0 100 50 8001 1 700 10 0 100 50 8003 6 200 0 0 100 50 Changes % Trucks on WB Entering Link to 25% Changing % Trucks 8004 7 200 0 0 100 50 8002 5 700 10 0 100 50 8001 1 700 10 0 100 50 8003 6 200 0 0 100 50 % Trucks

  38. Effects Links Directly Entering Node (Intersection) Effects Links Directly Entering Node (Intersection) Changing Turning Movement Percentages 8004 7 8001 1 2 3 4 5 8002 6 8003

  39. Entering Node Departing Node Turning Movements -- Card Type 21 3 7 100 21 4 5 100 21 2 1 100 21 3 6 100 21 3 4 100 21 3 2 100 21 2 3 20 60 20 0 21 4 3 20 60 20 0 21 6 3 20 60 20 0 21 7 3 20 60 20 0 21 1 2 100 21 5 4 100 21 8002 5 100 21 8001 1 100 21 8004 7 100 21 8003 6 100 21 Card Type

  40. % Through % Diagonal % Left-Turn % Right-Turn Turning Movements -- Card Type 21 (Cont.) 3 7 100 21 4 5 100 21 2 1 100 21 3 6 100 21 3 4 100 21 3 2 100 21 2 3 20 60 20 0 21 4 3 20 60 20 0 21 6 3 20 60 20 0 21 7 3 20 60 20 0 21 1 2 100 21 5 4 100 21 8002 5 100 21 8001 1 100 21 8004 7 100 21 8003 6 100 21

  41. Changing Turning Movement Percentages 3 7 100 21 4 5 100 21 2 1 100 21 3 6 100 21 3 4 100 21 3 2 100 21 2 3 20 60 20 0 21 4 3 20 60 20 0 21 6 3 20 60 20 0 21 7 3 20 60 20 0 21 1 2 100 21 5 4 100 21 8002 5 100 21 8001 1 100 21 8004 7 100 21 8003 6 100 21 These cards describe turning movement percentages at the test intersection.

  42. Changing Turning Movement Percentages -- Example 3 7 100 21 4 5 100 21 2 1 100 21 3 6 100 21 3 4 100 21 3 2 100 21 2 3 20 60 20 0 21 4 3 8 77 15 0 21 6 3 20 60 20 0 21 7 3 20 60 20 0 21 1 2 100 21 5 4 100 21 8002 5 100 21 8001 1 100 21 8004 7 100 21 8003 6 100 21 Changes turning movement distribution on WB approach to 8% Left-turns, 77% Through, and 15% Right-turns

  43. Hands-On Practice

  44. Modifying Phasing

  45. Default “.sdi” File * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8

  46. * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L Prot 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L Prot 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8 Protected Only Phasing * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8

  47. * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L Perm 1 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P1 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P5 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L Perm 1 P8 Permissive Only Phasing * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8

  48. Overlaps * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8 * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Prot 1 O1 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8

  49. Hands-On Practice • E-W Protected Only Left-turn • N-S Permissive Only Left-turn * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L P+P 1 P7 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L P+P 1 P5 P2 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L P+P 1 P1 P6 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L P+P 1 P3 P8 * from to turn type contlr phases 7 3 T Prot 1 P4 7 3 R Perm 1 P4 7 3 L Perm 1 P4 2 3 T Prot 1 P2 2 3 R Perm 1 P2 2 3 L Prot 1 P5 4 3 T Prot 1 P6 4 3 R Perm 1 P6 4 3 L Prot 1 P1 6 3 T Prot 1 P8 6 3 R Perm 1 P8 6 3 L Perm 1 P8 Change to: Default: • Save as Pract2_Phasing

  50. Modifying Detectors

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